A test cross is done to find out:
1. | Fitness of an organism |
2. | Genotype of a plant expressing dominant phenotype |
3. | The suitable parents for a Mendelian Cross |
4. | The hidden genotypic ratio of F2 phenotypes |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Haemophilia is inherited as a/an __________ condition.
1. | Autosomal recessive | 2. | Autosomal dominant |
3. | Sex linked recessive | 4. | Sexlinked dominant |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A genetic cross between homozygous individuals but with different alleles for a single gene of interest is called as:
1. | A reciprocal cross | 2. | Monohybrid cross |
3. | Dihybrid cross | 4. | Test cross |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What can the possible blood groups of progeny whose father and mother are of A and B blood groups, respectively?
1. | A and B only | 2. | AB only |
3. | All except O | 4. | A, B, AB, and O |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What is the dihybrid test cross-ratio?
1. | 1 : 1 | 2. | 3 : 1 |
3. | 9 : 3 : 3 : 1 | 4. | 1 : 1 : 1: 1 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The F2 genotypic ratio of a monohybrid cross is:
1. | 1 : 1 | 2. | 3 : 1 |
3. | 1 : 2 : 1 | 4. | 9 : 7 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
If individuals of genotype AaBbCc are intercrossed, how many different phenotypes can appear in their offspring?
1. | 3 | 2. | 6 |
3. | 8 | 4. | 9 |
The inheritance of the trait shown in the given pedigree most likely is:
1. | Autosomal recessive | 2. | Autosomal dominant |
3. | Sex-linked recessive | 4. | Sex-linked dominant |
Consider three genes: X, Y, and Z. The recombination frequency between X-Y, X-Z, and Y-Z gene pairs was found to be 50%, 25%, and 50%, respectively. What would be the right inference?
1. | genes X and Y are on the same chromosome |
2. | genes X and Z are on different chromosomes |
3. | genes Y and Z are on different chromosomes |
4. | All three genes are located on the same chromosome |
The source of any of the genes located on either of the X chromosomes in a female cannot be:
1. | Her Mother's Father. | 2. | Her Father's Mother. |
3. | Her Mother's Mother. | 4. | Her Father's Father. |